Photometry and Colorimetry of Retroreflection: State-of-Measurement-Accuracy Report; July 1980 (Classic Reprint). Dieser Artikel ist nicht verfügbar.Photometry and Colorimetry of Retroreflection: State-of-Measurement-Accuracy Report; July 1980 (Classic Reprint)

Excerpt from Photometry and Colorimetry of Retroreflection: State-of-Measurement-Accuracy Report; July 1980

Care must be taken when comparing requirements from different specifications, not all of which use the same set of definitions given here. Not only are the positive and negative sense of the various angles sometimes different, but frequently a complicated transformation between related parameters in different specifications is required.

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